single frequency network的意思|示意
单频网,单频网络
single frequency network的网络常见释义
单频网 单频网(SFN,Single Frequency Network)是指由多个不同地点的处于同步状态的无线电发射台,在同一时间、以同一频率发射同一信号,以实现对一定服务...
单频率网络 传输的DTT网络是一种单频率网络(Single Frequency Network,SFN)),收发基站必须在设置在同一个频率上,而Nimbra 360在DTT网络中加入了频率调节模块,这样就允许收端和发端在不同的频率上进...
单频网络 ...抗多径干扰能力,即当 多径时延小于保护间隔时,系统不受ISI (码间串扰)的困扰,因此允许单频网络(Single Frequency Network)用于宽带OFDM系统,依靠多天线来实现,采用由大量低功率 发射机组成的发射机阵列消除阴影效应,实现完全覆盖。
网路 ...网路测试提供多种独特功能,包括完整的场强度量测(Field Strength Measurement) 和在单一频率网路(Single Frequency Network)内识别个别传输活动的能力。
single frequency network相关短语
1、 Dynamic Single Frequency Network 动态单频率网络
2、 Single Frequency Network Cellular Network 的新型单频蜂窝系统 ; 频蜂窝系统
3、 SFN Single Frequency Network 单频网
single frequency network相关例句
The key issues of single frequency network technology includes network planning, networking mode, performance of overlapping coverage of the reception area, and program distribution network and so on.
其中单频网技术的关键问题主要包括单频网的网络规划、单频网的组网模式、覆盖重叠区的接收性能以及单频网中的节目分配网络等等。
This paper introduces a design of single frequency network adaptor, which consists of a core functionality module based on FPGA and a control module based on an ARM embedded CPU.
介绍了一个单频网适配器的设计方案,该方案由基于FPGA实现的核心功能模块和基于ARM嵌入式CPU实现的控制模块组成。
The single frequency network (SFN) is the key technology in very high frequency (VHF) channel transmission of automatic hydrological forecast systems.
单频组网是水情自动测报系统中采用特高频信道传输的关键技术。
Using a directive beam antenna and the Highband Networking Waveform (HNW), the radio can automatically create the entire network using a single frequency.
通过使用定向声波天线和高频网络波形(HNW),无线电可以采用单一频率自动创建整个网络。
The design steps, network topology and the selection of its component types of a single frequency point matching network are described in detail by an example.
通过单频点级间匹配电路的设计实例,给出了匹配电路的设计步骤、电路拓扑结构和元件类型的选择方法。
Also, this paper introduced the structure and setting of double relay stations in single frequency point and multi frequency point network.
除采取防雷措施外,论文针对该问题提出了双中继组网的方案,并介绍了单频点组网和多频点组网中双中继的构成和设置。